660524196 has 12 divisors (see below), whose sum is σ = 1541223152. Its totient is φ = 220174728.

The previous prime is 660524173. The next prime is 660524197. The reversal of 660524196 is 691425066.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (660524197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27521830 + ... + 27521853.

Almost surely, 2^660524196 is an apocalyptic number.

It is an amenable number.

660524196 is an abundant number, since it is smaller than the sum of its proper divisors (880698956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

660524196 is a wasteful number, since it uses less digits than its factorization.

660524196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55043690 (or 55043688 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 660524196 is about 25700.6652832179. The cubic root of 660524196 is about 870.8892110712.

The spelling of 660524196 in words is "six hundred sixty million, five hundred twenty-four thousand, one hundred ninety-six".